Fort Gibson, OK 1841-1841 Year Month Day Mean 1841 4 1 56.6 1841 4 2 54 1841 4 3 53 1841 4 4 55.2 1841 4 5 64.2 1841 4 6 68.2 1841 4 7 70.6 1841 4 8 66.2 1841 4 9 62.5 1841 4 10 60 1841 4 11 52 1841 4 12 58.6 1841 4 13 60.3 1841 4 14 53.3 1841 4 15 56 1841 4 16 69.6 1841 4 17 68.3 1841 4 18 59.6 1841 4 19 65.2 1841 4 20 62.6 1841 4 21 67.9 1841 4 22 72.3 1841 4 23 64.6 1841 4 24 65.6 1841 4 25 72 1841 4 26 52.6 1841 4 27 56.6 1841 4 28 56.6 1841 4 29 54.2 1841 4 30 60.8 1841 5 1 68.5 1841 5 2 65.4 1841 5 3 70 1841 5 4 67.4 1841 5 5 64.2 1841 5 6 65.4 1841 5 7 64.1 1841 5 8 57 1841 5 9 60.7 1841 5 10 67.1 1841 5 11 73.5 1841 5 12 76.4 1841 5 13 69.7 1841 5 14 60 1841 5 15 61.7 1841 5 16 64.1 1841 5 17 71.4 1841 5 18 67.8 1841 5 19 67.1 1841 5 20 69.5 1841 5 21 71.1 1841 5 22 77.4 1841 5 23 66.7 1841 5 24 69.1 1841 5 25 71.4 1841 5 26 67.4 1841 5 27 68.1 1841 5 28 73.1 1841 5 29 73.1 1841 5 30 75.1 1841 5 31 76.1 1841 6 1 75.7 1841 6 2 76.1 1841 6 3 73.8 1841 6 4 74.3 1841 6 5 79.3 1841 6 6 84.5 1841 6 7 81 1841 6 8 78 1841 6 9 81.1 1841 6 10 80.3 1841 6 11 79.1 1841 6 12 82.8 1841 6 13 74.8 1841 6 14 75.4 1841 6 15 71.2 1841 6 16 75.9 1841 6 17 78.7 1841 6 18 69.4 1841 6 19 76.3 1841 6 20 73.5 1841 6 21 70.7 1841 6 22 72.7 1841 6 23 70.5 1841 6 24 65.8 1841 6 25 68.8 1841 6 26 73.3 1841 6 27 73.6 1841 6 28 78.1 1841 6 29 79.7 1841 6 30 77.9 1841 7 1 79.7 1841 7 2 80.7 1841 7 3 81.3 1841 7 4 81.1 1841 7 5 83.4 1841 7 6 84.3 1841 7 7 80.3 1841 7 8 79.3 1841 7 9 84 1841 7 10 86.7 1841 7 11 85.7 1841 7 12 81.5 1841 7 13 84.3 1841 7 14 78.1 1841 7 15 83.4 1841 7 16 86 1841 7 17 88 1841 7 18 82.3 1841 7 19 80.4 1841 7 20 80.4 1841 7 21 80.7 1841 7 22 81.1 1841 7 23 81.4 1841 7 24 77.4 1841 7 25 80 1841 7 26 83.1 1841 7 27 87.5 1841 7 28 87.7 1841 7 29 84.8 1841 7 30 79.3 1841 7 31 76.8 1841 8 1 77.9 1841 8 2 80.5 1841 8 3 81.7 1841 8 4 82.3 1841 8 5 82 1841 8 6 82.4 1841 8 7 78.4 1841 8 8 79.7 1841 8 9 79.2 1841 8 10 76 1841 8 11 76.5 1841 8 12 79.3 1841 8 13 87.8 1841 8 14 86.7 1841 8 15 86.4 1841 8 16 85.4 1841 8 17 86.7 1841 8 18 84.7 1841 8 19 83.3 1841 8 20 81 1841 8 21 77.8 1841 8 22 74.1 1841 8 23 72.2 1841 8 24 74.4 1841 8 25 76.5 1841 8 26 79.8 1841 8 27 78.4 1841 8 28 73.7 1841 8 29 83.1 1841 8 30 81.1 1841 8 31 83.1